<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <div class="title-container">
        <h3 class="title">登 录</h3>
      </div>

      <el-form-item prop="username">
        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="请输入用户名"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <el-input
          ref="password"
          v-model="loginForm.password"
          placeholder="请输入密码"
          name="password"
          type="password"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
      </el-form-item>

      <!-- <el-form-item prop="code" >
        <el-row :gutter="20">
         <el-col :span="16">
          <el-input
            ref="password"
            v-model="loginForm.code"
            placeholder="请输入验证码"
            name="code"
            type="text"
            tabindex="3"
            auto-complete="off"
          />
         </el-col>
          <el-col :span="8">
            <span class="inline-block w-full border border-gray-500 text-center">1234</span>
         </el-col>
        </el-row>
      </el-form-item> -->

      <el-form-item>
        <el-checkbox v-model="remember">记住密码</el-checkbox>
      </el-form-item>

      <el-button
        :loading="loading"
        type="primary"
        style="width: 100%; margin-bottom: 30px"
        @click.native.prevent="handleLogin"
        >登 录</el-button
      >

      <!-- <div class="tips">
        <span style="margin-right: 20px">username: admin</span>
        <span> password: any</span>
      </div> -->
    </el-form>
  </div>
</template>

<script>
import { validUsername } from "@/utils/validate";

export default {
  name: "Login",
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error("Please enter the correct user name"));
      } else {
        callback();
      }
    };
    const validatePassword = (rule, value, callback) => {
      if (value.length < 4) {
        callback(new Error("The password can not be less than 4 digits"));
      } else {
        callback();
      }
    };
    return {
      remember: true,
      loginForm: {
        username: "",
        password: "",
        // code: ''
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", validator: validateUsername },
        ],
        password: [
          { required: true, trigger: "blur", validator: validatePassword },
        ],
      },
      loading: false,
      passwordType: "password",
      redirect: undefined,
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true,
    },
  },
  methods: {
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true;
          this.$store
            .dispatch("user/login", this.loginForm)
            .then(() => {
              this.$router.push({ path: this.redirect || "/" });
              this.loading = false;
            })
            .catch(() => {
              this.loading = false;
            });
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    },
  },
};
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

// @supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
//   .login-container .el-input input {
//     color: $cursor;
//   }
// }

/* reset element-ui css */
// .login-container {
//   .el-input {
//     display: inline-block;
//     height: 47px;
//     width: 85%;

//     input {
//       // background: transparent;
//       // border: 0px;
//       // -webkit-appearance: none;
//       // border-radius: 0px;
//       padding: 12px 5px 12px 15px;
//       // color: $light_gray;
//       height: 47px;
//       // caret-color: $cursor;

//       &:-webkit-autofill {
//         box-shadow: 0 0 0px 1000px $bg inset !important;
//         -webkit-text-fill-color: $cursor !important;
//       }
//     }
//   }

//   // .el-form-item {
//   //   border: 1px solid rgba(255, 255, 255, 0.1);
//   //   background: rgba(0, 0, 0, 0.1);
//   //   border-radius: 5px;
//   //   color: #454545;
//   // }
// }
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;
  display: flex;
  flex-direction: row-reverse;
  align-items: center;

  .login-form {
    position: relative;
    color: #333;
    background: white;
    width: 400px;
    max-width: 100%;
    padding: 16px 35px;
    margin-right: 15vw;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      // color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: left;
      font-weight: 500;
    }
  }
}
</style>
